Coding
Supported Coding Environments
- Gemini CLI
- Claude Code
- VS Code with Claude Code Extension
- Antigravity with Claude Code Extension
Installing Claude Code
- Refer to the Claude Code documentation for installation.
All you need to do is EITHER
Set three environment variables (Linux and WSL), recommend adding to your profile to be persistent.
export ANTHROPIC_BASE_URL="https://chat.ultimateai.org"export ANTHROPIC_AUTH_TOKEN="<your api key>"export API_TIMEOUT_MS="3000000"
Or save settings in a config file (recommended for Windows)
- File located at
- %userprofile%\.claude\settings.json (Windows)
- ~/.claude/settings.json (Linux)
{ "env": { "ANTHROPIC_AUTH_TOKEN": "<your API key>", "ANTHROPIC_BASE_URL": "https://chat.ultimateai.org", "API_TIMEOUT_MS": "3000000" }}
Run claude.exe.
Claude Code Extension for VS Code and Antigravity
- Install Claude Code as shown earlier.
- Install Claude Code Extension for VS Code

That's it.
Gemini-CLI
Get started with Gemini CLI
This guide will help you install, configure, and start using the Gemini CLI to enhance your workflow right from your terminal.
Gemini CLI brings the power of advanced language models directly to your command
line interface. As an AI-powered assistant, Gemini CLI can help you with a variety of tasks, from understanding and generating code to reviewing and editing documents.
Install
The standard method to install and run Gemini CLI uses `npm`:npm install -g @google/gemini-cli
Configure
Set the following environment variables.
GEMINI_MODEL="MiniMax-M2.1"GOOGLE_GEMINI_BASE_URL="https://chat.ultimateai.org"GEMINI_API_KEY="replace with your api key"
Once Gemini CLI is installed, run Gemini CLI from your command line:gemini
2. When asked "How would you like to authenticate for this project?" select Use Gemini API Key as shown below.

3. Select API Key.
That is it, you are now using gemini-cli with this service.Continue reading...